Monthly Used Tower Mansion Trends: Prices Drop in Both Tokyo and Osaka (April 2026 Results)

Mercury Inc. (Headquarters: Minato-ku, Tokyo; CEO: Takahiro Jin; Security Code 5025), a provider of real estate marketing platforms utilizing big data and AI, has announced the latest market trends for used tower mansions based on its original research.

Data covers distribution in Tokyo 23 wards and Osaka City for April 2026.

Tokyo 23 Wards In the Tokyo 23 wards, 1,098 units were distributed, with an average price of 206.28 million JPY per 70sqm. The highest price was 345.57 million JPY in Chiyoda Ward, while the lowest was 95.75 million JPY in Katsushika Ward. Katsushika was the only ward where the average price per 70sqm was below 100 million JPY. While the YoY change for the entire 23 wards was +13.85 million JPY (+7.2%), significantly exceeding the previous year's level, the MoM change dropped by 1.19 million JPY (-0.6%). Prices rose in 12 wards and fell in 10 wards, showing a decline in nearly half of the districts. Itabashi Ward saw a significant price drop.

Osaka City In Osaka City, 549 units were distributed, with an average price of 124.79 million JPY per 70sqm. The highest price was 164.31 million JPY in Kita Ward, and the lowest was 34.22 million JPY in Konohana Ward. Four wards had average prices exceeding 100 million JPY. The YoY change for all of Osaka City was +19.38 million JPY (+18.4%), far surpassing the previous year. However, the MoM change dropped by 4.38 million JPY (-3.4%), with declines in 7 wards—more than half of the districts where supply was available. Yodogawa Ward saw a significant price increase.

- Calculated based on new and used mansion data from Realnet Mansion Summary. - Calculated as 70sqm price based on the average area of 68.27sqm for mansions built in the metropolitan area since 1995 (as of end-April 2026, excluding investment units). - Target: Used mansions with 20 or more floors, aged 20 years or less at the time of distribution in April 2025 and between March and April 2026.